﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BLL
{
  public  class GoodsBll:BaseBll<MODEL.Goods>
    {
      private const string _type = "GoodsDal";
        private IDAL.IGoodsDal _dal;
        public GoodsBll()
            : base(_type)
        {
            _dal = base.dal as IDAL.IGoodsDal;
            if (_dal == null)
            {
                throw new NullReferenceException(_type);
            }
        }
    }
}
